Light and ground bounded together through a simply but very well built relation between two vertical planes and 3 different materials.
通过两个垂直面和3种不同材料之间简单但良好的联系，使得光线和地面结合在一起。
2
The thesis state the domestic and abroad research status of penetration, establish the load relation of the vertical and fastigiated penetration and the impact basic equation.
论文叙述了国内外穿甲过程研究状况，建立了垂直侵彻和斜侵彻中弹靶的受力关系、碰撞基本方程；
3
Relation between the horizontal shear stress and lateral plastic deformation and relation between the vertical shear stress and axial plastic deformation are presented, respectively.